import React, { Component } from 'react';
import { render } from 'react-dom';

class Main extends Component {
    constructor(props) {
        super(props); 
        // 设置 initial state
        this.state = {
             
        };
 
    }
  render() {
    return <h1>22fg5Heldlo,Webpack</h1>
  }
}
export default Main 